Class: PinboardTools::Tagger

Inherits:
Object
  • Object
show all
Defined in:
lib/pinboard_tools/pinboard_tagger.rb

Overview

Replaces keywords on select Pinboard articles via Embed.ly

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ Tagger

Returns a new instance of Tagger.



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# File 'lib/pinboard_tools/pinboard_tagger.rb', line 24

def initialize(args)
  config_path = File.expand_path("../../../config/pinboard.yml", __FILE__)
  @config = YAML.load_file(config_path)
  begin
    @embedly_key = @config[:embedly_key].to_s
    @pb_user = @config[:pinboard_user]
    @pb_pass = @config[:pinboard_pass]
  rescue
    puts "Credentials not found. Please run `pinboardtools init`"
    exit
  end
  @errors = 0
  # @_tag = Array.new
  @_tag = args[:tag]
  @verbose = args[:verbose]
  @pinboard = {}
end

Instance Attribute Details

#pb_pass ⇒ Object (readonly)

Returns the value of attribute pb_pass.



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# File 'lib/pinboard_tools/pinboard_tagger.rb', line 22

def pb_pass
  @pb_pass
end

#pb_user ⇒ Object (readonly)

Returns the value of attribute pb_user.



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# File 'lib/pinboard_tools/pinboard_tagger.rb', line 22

def pb_user
  @pb_user
end

#pinboard ⇒ Object (readonly)

Returns the value of attribute pinboard.



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# File 'lib/pinboard_tools/pinboard_tagger.rb', line 22

def pinboard
  @pinboard
end

Instance Method Details

#get_metadata(url) ⇒ Hash

Handles downloading new metadata for articles via Embed.ly Extract API

Parameters:

  • url (String) —

    URL of article to fetch keywords for

Returns:

  • (Hash) —

    A collection of important metadata tags for article: keywords [Array] 5 most relevant keywords for article title [String] the most likely title for the article excert [String] an excerpt or description for the article



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# File 'lib/pinboard_tools/pinboard_tagger.rb', line 50

def get_metadata(url)
  title, description, tags, error_code, type = "", "", Array.new, nil, nil
  embedly_api = Embedly::API.new :key => @embedly_key
  # single url
  obj = embedly_api.extract :url => url
  obj.each do |i|
    i.keywords.each do |k|
      tags.push k["name"] unless k["name"].is_number?
    end
    tags << "unread"
    title = i.title
    desription = i.description
    error_code = ""
    error_code = i.respond_to?(:error_code) ? i.error_code : 200
    # p i
    type = i.type
  end
  return {keywords: tags.take(5), title: title, excerpt: description, error_code: error_code, type: type}
end

#run ⇒ Object

Initiates new Pinboard session, fetches articles to be re-tagged, and applies new tags



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# File 'lib/pinboard_tools/pinboard_tagger.rb', line 72

def run
  pinboard = Pinboard::Client.new(:username => @pb_user, password: @pb_pass)
  posts = []
  # unless @_tag.empty? && @_tag.is_a Array
  if @_tag.is_a? Array
    @_tag.each do |t|
      pinboard.posts(tag: t).each {|p| posts << p}
    end
  else
    begin
      posts = pinboard.posts(:tag => @_tag)
    rescue Exception => e
      posts = pinboard.posts
    end
  end
  # else
  # posts = pinboard.posts(:results => 10)
  # end
  bar = ProgressBar.new(posts.size)
  posts.each do |post|

    tag_list = Array.new
    post_metadata = get_metadata(post.href)
    params = {
      url: post.href,
      description: post_metadata[:title],
      tags: post_metadata[:keywords],
      replace: true,
      :public => true,
      :toread => true,
      :type => post_metadata[:type]
    }
    if post_metadata[:error_code] == 404
      pinboard.delete(post.href)
    elsif params[:type] != "html"
      pinboard.add(url: post.href, tags: [params[:type]], description: post.href)
    else
      pinboard.add(params) rescue @errors += 1
    end
    bar.increment! if @verbose
  end
  puts "#{@errors} errors."
end